Home / 3,729.85-5,589.52-2,946.42

Finding the Fourth Proportional to 3,729.85, 5,589.52 and 2,946.42

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Solution

The fourth proportional to 3,729.85, 5,589.52 and 2,946.42 is: 4,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.85 : 5,589.52 = 2,946.42 : x
  2. Step 2: Convert to fraction form
    3,729.85/5,589.52 = 2,946.42/x
  3. Step 3: Cross multiply
    3,729.85x = 5,589.52 × 2,946.42
  4. Step 4: Simplify right side
    3,729.85x = 16,469,073.52
  5. Step 5: Solve for x
    x = 16,469,073.52/3,729.85
  6. Step 6: Final answer
    x = 4,415.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.